Home / 681,372.80-1,022,208.80-201,563.04

Finding the Fourth Proportional to 681,372.80, 1,022,208.80 and 201,563.04

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Solution

The fourth proportional to 681,372.80, 1,022,208.80 and 201,563.04 is: 302,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,372.80 : 1,022,208.80 = 201,563.04 : x
  2. Step 2: Convert to fraction form
    681,372.80/1,022,208.80 = 201,563.04/x
  3. Step 3: Cross multiply
    681,372.80x = 1,022,208.80 × 201,563.04
  4. Step 4: Simplify right side
    681,372.80x = 206,039,513,242.75
  5. Step 5: Solve for x
    x = 206,039,513,242.75/681,372.80
  6. Step 6: Final answer
    x = 302,388.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.